public abstract class Writer extends Object
OutputStreamWriter
,
Reader
Modifier and Type | Field and Description |
---|---|
protected Object |
lock
The object used to synchronize operations on this stream.
|
Modifier | Constructor and Description |
---|---|
protected |
Writer()
Create a new character-stream writer whose critical sections will
synchronize on the writer itself.
|
protected |
Writer(Object lock)
Create a new character-stream writer whose critical sections will
synchronize on the given object.
|
Modifier and Type | Method and Description |
---|---|
abstract void |
close()
Close the stream, flushing it first.
|
abstract void |
flush()
Flush the stream.
|
void |
write(char[] cbuf)
Write an array of characters.
|
abstract void |
write(char[] cbuf,
int off,
int len)
Write a portion of an array of characters.
|
void |
write(int c)
Write a single character.
|
void |
write(String str)
Write a string.
|
void |
write(String str,
int off,
int len)
Write a portion of a string.
|
protected Object lock
protected Writer()
protected Writer(Object lock)
lock
- Object to synchronize on.public void write(int c) throws IOException
Subclasses that intend to support efficient single-character output should override this method.
c
- int specifying a character to be written.IOException
- If an I/O error occurspublic void write(char[] cbuf) throws IOException
cbuf
- Array of characters to be writtenIOException
- If an I/O error occurspublic abstract void write(char[] cbuf, int off, int len) throws IOException
cbuf
- Array of charactersoff
- Offset from which to start writing characterslen
- Number of characters to writeIOException
- If an I/O error occurspublic void write(String str) throws IOException
str
- String to be writtenIOException
- If an I/O error occurspublic void write(String str, int off, int len) throws IOException
str
- A Stringoff
- Offset from which to start writing characterslen
- Number of characters to writeIOException
- If an I/O error occurspublic abstract void flush() throws IOException
IOException
- If an I/O error occurspublic abstract void close() throws IOException
IOException
- If an I/O error occursCopyright © 2013, Oracle and/or its affiliates. All rights reserved.
Use is subject to License Terms. Your use of this web site or any of its contents or software indicates your agreement to be bound by these License Terms.